/Engine/Source/Runtime/Engine/Classes/Curves/CurveLinearColorAtlas.h
Immediately render a new material to the specified slot index(SlotIndex must be within this section's range)
void OnCurveUpdated ( [UCurveBase](API\Runtime\Engine\Curves\UCurveBase) * Curve, [EPropertyChangeType::Type](API\Runtime\CoreUObject\UObject\Type) ChangeType )